Next, I created a histogram with average #nicar18 tweet counts by hour for the three full days: Thursday, Friday and Saturday. It shows when people sent the most tweets — and that they apparently took more breaks during lunch and just before the first afternoon sessions began.

The pattern is also clear here in a more granular view of daily tweet counts by hour:

This tweet volume, which only captures people tweeting with the hashtag, was posted by attendees from across the globe. This year’s conference, as I mentioned in the previous post, had record-breaking attendance: more than 1,200.

Here’s where the attendees came from:

These types of maps are imperfect, of course, especially on mobile. For one, it’s tough to decipher attendance from the Northeast and Mid-Atlantic regions.

Here’s a more focused version (still a little nuclear blasty), if that helps (please note that the scale is different from the map above):